› added 12 years ago

133

TIL Humans almost went extinct about 70,000 years ago.

Read more m.wikipedia.org

via reddit.com

w1VY TIL many color laser printers employ ‘hidden’ dot codes that encode the serial number of the specific printer on every printed page to make your documents forensically tracecable back to the printer. The EFF believes printer manufacturers agreed in secret with governments to provide this tracking.
rgk1 TIL the Vietnam War is known in Vietnam as the American War
PYlRE TIL about RadiThor, an energy drink sold in the 1920s, claimed it provided energy and cured a host of ailments, including impotence. It was simply radium dissolved in water, slowly killing its customers.
BrBZr TIL '4-F' is a classification given to someone indicating they are “not acceptable for service in the Armed Forces” for any number of reasons. It originated in the Civil War and was used to disqualify army recruits who did not have four front teeth with which to tear open gunpowder packages.
AD9do TIL In 2011 Oprah found out she has a sister she never knew existed and now takes care of her financially because Oprah was so impressed that her sister spent 3 years trying to contact Oprah with no luck and never once tried to sell the story to the press. (You have to see the video I linked)